Answer:
0.8
Step-by-step explanation:
 
        
                    
             
        
        
        
6.974 rounded to the nearest tenth is 7.0, because 7 is more than 5, and since 9's there, we make that 6 to a 7. 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
1221 x 1221 = 1490841
square root of 1490841 is 1221
 
        
                    
             
        
        
        
Answer:
 approximately 
1623.6
Step-by-step explanation:
16 1/2%=.165 which is approximately equal to 1/6, so we can just multiply the original number by 6.